Roanoke is located in Denton county Texas with a geographic area of 6.9 square miles. The total population in Roanoke is 8,810 with 53.5% male and 46.5% female. Children under age 5 represent 6.7% of the population, under age 18 equal 24.2% of the population and over age 65 is 10.0% of the population. The median household income is $100,888, per capita income is $48,282. There are a total of 3,229 housing units with 59.7% owner occupied. Education includes 17.7% of residents that are high school graduates and 46.1% with a bachelor's degree or higher. The average temperature in Roanoke in the summer is 83 degrees, and in the winter 49 degrees.